Insights

Specialized Patent Services HFZ is a boutique law firm focusing on intellectual property, particularly patent prosecution and counseling for technology companies, indicating potential for tailored IP legal services for innovative firms seeking expert patent support.

Fortune 500 Client Base The firm works with numerous Fortune 500 technology companies, presenting opportunities to target large, high-profile clients needing comprehensive IP legal solutions and long-term strategic partnerships.

Growth Through Partnerships HFZ's recent partnership with Nielsen, which has significantly increased its patent filings, suggests a successful growth strategy and potential to expand its client portfolio and geographic reach.

Medium-Sized Firm Profile With 11-50 employees and revenues between 10 to 25 million dollars, HFZ is positioned as a growing mid-sized firm, making it a suitable target for scalable legal service packages and tech-enabled legal solutions.

Technological Engagement The firm’s use of modern web and SEO technologies indicates an active online presence, providing opportunities to engage with technologically savvy clients and leverage online channels for outreach and marketing efforts.

Hanley, Flight & Zimmerman, LLC Tech Stack

Hanley, Flight & Zimmerman, LLC uses 8 technology products and services including Open Graph, WordPress, oEmbed, and more. Explore Hanley, Flight & Zimmerman, LLC's tech stack below.

Open Graph

Content Management System

WordPress

Content Management System

oEmbed

Dev Tools

Microsoft Outlook

JSON-LD

Javascript Frameworks

Online Community Software

Priority Hints

Performance

Google Search Console

Web Analytics

Hanley, Flight & Zimmerman, LLC Email Formats	Example	Percentage
FLast@hfzlaw.com	JDoe@hfzlaw.com	77%
Last@hfzlaw.com	Doe@hfzlaw.com	13%
Last.First@hfzlaw.com	Doe.John@hfzlaw.com	8%
LFirst@hfzlaw.com	DJohn@hfzlaw.com	2%

Hanley, Flight & Zimmerman, LLC Email Formats

Example

Percentage

FLast@hfzlaw.com

JDoe@hfzlaw.com

77%

Last@hfzlaw.com

Doe@hfzlaw.com

13%

Last.First@hfzlaw.com

Doe.John@hfzlaw.com

LFirst@hfzlaw.com

DJohn@hfzlaw.com

Frequently Asked Questions

Where is Hanley, Flight & Zimmerman, LLC's headquarters located?

Hanley, Flight & Zimmerman, LLC's main headquarters is located at 10 South Wacker Drive Suite 3500 Chicago, Illinois 60606 United States. The company has employees across 1 continents, including North America.

What is Hanley, Flight & Zimmerman, LLC's phone number?

You can contact Hanley, Flight & Zimmerman, LLC's main corporate office by phone at

+1-312-580-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Hanley, Flight & Zimmerman, LLC's official website and social media links?

Hanley, Flight & Zimmerman, LLC's official website is hfzlaw.com and has social profiles on LinkedIn.

What is Hanley, Flight & Zimmerman, LLC's NAICS code?

Hanley, Flight & Zimmerman, LLC's NAICS code is 54111 - Offices of Lawyers.

How many employees does Hanley, Flight & Zimmerman, LLC have currently?

As of June 2026, Hanley, Flight & Zimmerman, LLC has approximately 44 employees across 1 continents, including North America. Key team members include Information Technology Manager: M. L.Capital Member: S. S.Legal Assistant: H. Y.. Explore Hanley, Flight & Zimmerman, LLC's employee directory with LeadIQ.

What industry does Hanley, Flight & Zimmerman, LLC belong to?

Hanley, Flight & Zimmerman, LLC operates in the Law Practice industry.

What technology does Hanley, Flight & Zimmerman, LLC use?

Hanley, Flight & Zimmerman, LLC's tech stack includes Open GraphWordPressoEmbedMicrosoft OutlookJSON-LDLinkedInPriority HintsGoogle Search Console.

What is Hanley, Flight & Zimmerman, LLC's email format?

Hanley, Flight & Zimmerman, LLC's email format typically follows the pattern of FLast@hfzlaw.com. Find more Hanley, Flight & Zimmerman, LLC email formats with LeadIQ.

When was Hanley, Flight & Zimmerman, LLC founded?

Hanley, Flight & Zimmerman, LLC was founded in 2002.

Hanley, Flight & Zimmerman, LLC

Q: What technology does Hanley, Flight & Zimmerman, LLC use?

Hanley, Flight & Zimmerman, LLC's tech stack includes Gravatar, JSON-LD, Priority Hints, MySQL, Twemoji.

Q: What is Hanley, Flight & Zimmerman, LLC's NAICS code?

Hanley, Flight & Zimmerman, LLC's NAICS code is 54111 (Offices of Lawyers).

Law PracticeIllinois, United States11-50 Employees

HFZ is a boutique IP law firm located in the heart of Chicago, specializing in United States and foreign patent prosecution and counseling.  Our team of patent practitioners includes many individuals having years of industry experience as engineers and inventors prior to becoming patent attorneys.  A combination of significant real world engineering experience and legal experience results in a highly focused and skilled team of practitioners who provide services to numerous Fortune 500 technology companies.

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